mb/emulation/qemu-armv7: Fix board

Fix multiple issues allowing to boot until "Payload not loaded":

* The FMAP_CACHE was placed in memory mapped flash
  - Place the FMAP_CACHE in DRAM.
* The FMAP_CACHE was overlapping the BOOTBLOCK, which has a default size
  of 128KiB.
  - Increase the bootblock size in memlayout to 128KiB to match the FMAP.
* The heap in bootblock wasn't usable.
  - Add a linking check in armv7 common bootblock to relocate itself to
    the linked address.
* A FIT payload couldn't be compiled in as the POSTRAM_CBFS_CACHE was
  missing.
  - Add the POSTRAM_CBFS_CACHE to memlayout.
* The coreboot log is spammed with missing timestamp table error messages
  - Add TIMESTAMP table to memlayout.

Tested on QEMU armv7 vexpress.

Change-Id: Ib9357a5c059ca179826c5a7e7616a5c688ec2e95
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39187
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

1 files changed, 8 insertions, 6 deletions

diff --git a/src/mainboard/emulation/qemu-armv7/memlayout.ld b/src/mainboard/emulation/qemu-armv7/memlayout.ld
index 9d76d9ddd0..4ddc6d2adc 100644
--- a/src/mainboard/emulation/qemu-armv7/memlayout.ld
+++ b/src/mainboard/emulation/qemu-armv7/memlayout.ld
@@ -28,14 +28,16 @@ SECTIONS
 {
 	/* TODO: does this thing emulate SRAM? */
 
-	BOOTBLOCK(0x00000, 64K)
-	FMAP_CACHE(0x10000, 2K)
+	REGION(flash, 0, CONFIG_ROM_SIZE, 4K)
 
 	DRAM_START(0x60000000)
 	STACK(0x60000000, 64K)
-	ROMSTAGE(0x60010000, 128K)
-	RAMSTAGE(0x60030000, 16M)
-
+	BOOTBLOCK(0x60010000, 128K)
+	FMAP_CACHE(0x60030000, 4K)
+	TIMESTAMP(0x60031000, 1K)
 	/* TODO: Implement MMU support and move TTB to a better location. */
-	TTB(0x61030000, 16K)
+	TTB(0x60034000, 16K)
+	ROMSTAGE(0x60038000, 128K)
+	RAMSTAGE(0x60060000, 16M)
+	POSTRAM_CBFS_CACHE(0x61060000, 8M)
 }